Abstract: The invention provides a chassis structure, a server, and a method of dissipating heat from server. The chassis structure comprises chassis body, two fan components, two tray components, and a power supply. The chassis body defines a receiving space bounded by two spaced partitions, the two partitions divide the receiving space into a middle cavity and two side cavities. The fan components are at one end of each side cavity and are connected to the chassis body. The two tray components carry slots for inserting hard disks. The power supply is arranged in the middle cavity and supplies power to the hard disks inserted in the slots, the power supply also has a fan, the power supply positioned at one end of the middle cavity.

Abstract: Smart vehicle parking apparatus and related methods are disclosed herein. An example system includes a processor to reserve a personal vehicle for a time interval. The personal vehicle is to park at a location during the time interval. The processor is also to match a vehicle use option to the personal vehicle based on the time interval and the location. The vehicle use option is associated with a person to use the personal vehicle during the time interval.

Abstract: Embodiments of the present disclosure generally relate to carbon materials for battery electrodes and methods for preparing such carbon materials. More specifically, embodiments relate to coated nano-ordered carbon particles and methods for coating a carbon film onto carbonaceous particles to produce the coated nano-ordered carbon particles which can be used as an anode material within a rechargeable battery, such as a sodium-ion battery, other types of batteries. In one or more embodiments, a method for producing coated nano-ordered carbon particles is provided and includes exposing a carbon-containing material to an expanding agent to produce expanded carbonaceous particles during an expanding process, heating the expanded carbonaceous particles during an annealing process, and depositing a carbon film on the nano-ordered carbon particles to produce coated nano-ordered carbon particles during a carbon coating process.

Abstract: Embodiments of the present disclosure generally relate to methods for preparing carbon materials which can be used in battery electrodes. More specifically, embodiments relate to methods for preparing nano-ordered carbon products used as anode materials in metal-ion batteries, such as a sodium-ion battery. In one or more embodiments, a method for preparing a nano-ordered carbon is provided and includes exposing a liquid refinery hydrocarbon product to a first functionalization agent to produce a first solid functionalized product during a first functionalization process and purifying the first solid functionalized product during a purification process. The method also includes exposing the first solid functionalized product to a second functionalization agent to produce a second solid functionalized product during a second functionalization process and carbonizing the second solid functionalized product to produce a solid nano-ordered carbon product during a carbonization process.

Abstract: Embodiments of this application describe a retransmission timeout (RTO) determining method and a related apparatus. The method includes a transmission device sending, to a network analyzer, a network throughput at which communication is performed through a first communication connection, where the network throughput is used by the network analyzer to determine an RTO corresponding to the first communication connection. The network analyzer obtains a first network throughput at which the transmission device performs communication through the first communication connection. The network analyzer calculates, based on the first network throughput, a first RTO corresponding to the first communication connection. The network analyzer sends the first RTO to the transmission device. The transmission device receives the first RTO sent by the network analyzer. The embodiments of this application help improve efficiency of retransmitting a lost data packet.

Abstract: Embodiments of the present disclosure generally relate to methods for preparing carbon materials which can be used in battery electrodes. In one or more embodiments, a method for preparing an anode carbon material is provided and includes combining a liquid refinery hydrocarbon product and a solvent to produce a first mixture, combining the first mixture and a first oxidizing agent containing an acid to produce a second mixture containing the liquid refinery hydrocarbon product, the solvent, and the first oxidizing agent, and heating the second mixture to produce a reaction mixture containing an oxidized solid product during an oxidation process. The method also includes separating the oxidized solid product from the reaction mixture during a separation process and carbonizing the oxidized solid product to produce a hard carbon product during a carbonization process.

Abstract: Embodiments of the present disclosure generally relate to methods for preparing carbon materials which can be used in battery electrodes. More specifically, embodiments relate to methods for preparing nano-ordered carbon products used as anode materials in metal-ion batteries, such as a sodium-ion battery. In some embodiments, a method includes fractioning an initial refinery hydrocarbon product during a fractionation process to produce a liquid refinery hydrocarbon product and a heavy refinery hydrocarbon product. The method includes exposing either or both refinery hydrocarbon products to a first functionalization agent to produce a first solid functionalized product during a first functionalization process and purifying the first solid functionalized product during a purification process.

Abstract: Embodiments of the present disclosure generally relate to methods for preparing carbon materials which can be used in battery electrodes. More specifically, embodiments relate to methods for preparing nano-ordered carbon products used as anode materials in metal-ion batteries, such as a lithium-ion battery. In one or more embodiments, a method includes exposing a liquid refinery hydrocarbon product to a first functionalization agent to produce a first solid functionalized product during a first functionalization process and exposing the first solid functionalized product to a second functionalization agent to produce a second solid functionalized product during a second functionalization process. Each of the first and second functionalization agents independently contains an element selected from oxygen, sulfur, phosphorous, nitrogen, or any combination thereof. The method also includes carbonizing the second solid functionalized product at a temperature of about 1,000° C. to about 1,400° C.

Abstract: Embodiments of the present disclosure generally relate to methods for preparing carbon materials which can be used in battery electrodes. More specifically, embodiments relate to methods for preparing hard carbon materials used as anode materials in metal-ion batteries, such as a sodium-ion battery. In one or more embodiments, a method includes exposing a liquid refinery hydrocarbon product to a first functionalization agent containing sulfur to produce a first solid functionalized product containing sulfur during a first functionalization process. The method further includes purifying the first solid functionalized product during a purification process and exposing the first solid functionalized product to a second functionalization agent containing oxygen to produce a second solid functionalized product containing sulfur and oxygen during a second functionalization process.

Abstract: In certain aspects, a device for wireless transmission includes a transmission path, a feedback path, and a DPD control module. The transmission path includes a digital pre-distortion (DPD) conversion module configured to perform pre-distortion processing on an amplitude and a phase of a transmission signal based on a pre-distortion processing strategy. The transmission path further includes a power amplifier coupled to a downstream of the DPD conversion module and configured to amplify a power of the transmission signal. The feedback path is coupled to the transmission path at the downstream of the power amplifier and configured to generate a feedback signal. The feedback path includes a static gain compensation module configured to be activated during an initial time period of each frame to track and update a static gain for the feedback signal and configured to hold the static gain after the initial time period of each frame.

Abstract: A training method for an image denoising model that can include collecting multiple sample image groups through a shooting device, each sample image group including multiple frames of sample images with a same photographic sensitivity and sample images in different sample image groups having different photographic sensitivities.

Abstract: Embodiments of the present disclosure generally relate to carbon materials for battery electrodes and methods for preparing such carbon materials. More specifically, embodiments relate to methods for coating a carbon film onto nano-ordered carbon particles to produce carbon-coated particles which can be used as an anode material within a battery, such as a lithium-ion battery, a sodium-ion battery, other types of batteries. In one or more embodiments, a method for producing carbon-coated particles is provided and includes positioning nano-ordered carbon particles within a processing region of a processing chamber, purging the processing region containing the nano-ordered carbon particles with an inert gas, heating the nano-ordered carbon particles to a temperature of about 700° C. or greater during an annealing process, and depositing a carbon film on the nano-ordered carbon particles to produce carbon-coated particles during a vapor deposition process.

Abstract: A receptacle connector for mating with a plug connector having a mating tongue and a latch thereof, includes an insulative housing defining a mating slot extending along a longitudinal direction to receive the mating tongue of the plug connector, and an outer metallic shield defining a primary space to receive the housing and a secondary space communicatively beside the primary space to receive the latch of the plug connector. A plurality of contacts are disposed in the housing to mechanically and electrically connect to the mating tongue. An inner metallic shield is attached upon a long side of the housing to separate the primary space and the secondary space from each other in a transverse direction perpendicular to the longitudinal direction.

Abstract: An electrical connector assembly includes: a first frame defining plural accommodating cavities; plural transmission units partially received in the accommodating cavities, respectively, each of the transmission units comprising a card edge connector received in a corresponding accommodating cavity, a motherboard connector, and a circuit board connected with the card edge connector and the motherboard connector; and a second frame attached to the first frame; wherein the second frame presses against and hold the circuit boards in position.

Abstract: A method, an apparatus, and a device for obtaining an artificial intelligence model, and a storage medium are provided. A client receives a first artificial intelligence AI model sent by a service end (303). The first AI model includes a plurality of neurons. The client determines, from the plurality of neurons, a target neuron participating in a current round of training, where the current round of training is a non-first round of training, and a quantity of target neurons is less than a total quantity of the plurality of neurons (304). The client trains the target neuron based on local data (305). The client returns parameter data corresponding to the target neuron to the service end (306). The parameter data corresponding to the target neuron is used by the service end to obtain a converged target AI model.

Abstract: In a method of automatically creating accounts, a user identifier and a password are obtained in response to a request of a user for login to a system. Whether the user identifier exists in the first database is determined. When the user identifier does not exist in the first database, whether the user identifier and the password conform to an account rule is determined. When the user identifier and the password conform to the account rule, an account for the user is created according to the user identifier and the password. The method improves the ease and efficiency of creating, accounts.

Abstract: A rotating assembly includes a first handle; the first handle includes a connecting part. The connecting part has first and second extensions and the connecting part is rotatably connected to a box holding one or more devices. The first and second extensions are arranged on opposite sides of the connecting part, the first extension can rotate with the connecting part until it rests on a base, on which base the box is rotatably arranged. The first extension and the second extension extend to both sides of the connecting part to lessen the force required for driving the box to rotate.

Abstract: A child safety seat includes a seat shell, a front end part rotatable relative to the seat shell between a retracted and a deployed position, and a latching mechanism for locking the front end part in the deployed position. The seat shell has a front end provided with an opening, and two sidewalls respectively protruding at a left and a right side of a seat portion. The front end part has a transversal portion extending along a width direction of the seat shell, and two side portions respectively connected pivotally with the two sidewalls of the seat shell via two pivot shafts spaced apart from each other along the width direction. The transversal portion of the front end part is stowed inside the opening of the seat shell in the retracted position, and extends outside the opening of the seat shell in the deployed position.

Abstract: A modeling method and an apparatus are disclosed. The method includes: obtaining a first data set of a first indicator, and determining, based on the first data set, a second indicator similar to the first indicator; and determining a first model based on one or more second models associated with the second indicator. The first model is used to detect a status of the first indicator, and the status of the first indicator includes an abnormal state or a normal state. The second models are used to detect a status of the second indicator, and the status of the second indicator includes an abnormal state or a normal state.

Abstract: Various embodiments include a method for determining a collection frequency of data. The data are collected from a device for an application program to monitor the device. The method may include: determining a collection frequency requirement of the application program regarding the data of the device; determining state information of the device; and determining, based on the determined collection frequency requirement of the application program regarding the data of the device and the determined state information of the device, a collection frequency of data according to a preset rule.